Missing Filtering Vulnerability in SUSE Rancher Manager Affecting Private Cloud Security
CVE-2026-88811

9.1CRITICAL

Key Information:

Vendor

Suse
Status
Rancher
Vendor
CVE Published:
2 November 2026

What is CVE-2026-88811?

A serious security flaw exists in SUSE Rancher Manager's meta proxy where insufficient filtering allows for sensitive rancher credentials to potentially leak to unauthorized cloud providers. This vulnerability impacts multiple versions of SUSE Rancher, raising significant concerns for organizations utilizing this management platform in their cloud environments. Users are advised to review their installations and apply security patches as promptly as possible to safeguard against this exposure.

Affected Version(s)

Rancher 2.15.0 < 2.15.3

Rancher 2.14.0 < 2.14.7

Rancher 2.13.0 < 2.13.11

References

https://github.com/rancher/rancher/security/advisories/GH...
vendor-advisory

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Matseykanets
.